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Unit 1 Review- Biology

Total questions: 55

Worksheet time: 55mins

Name
Class
Date
1.

The scientific word for a living thing is a(an)

a)
organism
b)
cell
c)
tissue
d)
human
2.
An organism made of one cell is called
a)
unicellular
b)
multicellular
3.
It is hot outside. You start sweating. In this case, the hot weather is the...
a)
stimulus
b)
response
c)
cause and effect
d)
responder
4.

Maintaining a stable internal

environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

5.

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

6.

Green plants produce their own food through the process of photosynthesis. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

7.

A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?

a)

All living things reproduce

b)

All living things maintain homeostasis

c)

All living things use energy

d)

All living things grow

8.

A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of life does this represent?

a)

All living things adapt to their environment

b)

All living things grow

c)

All living things have cells

d)

All living things use energy

9.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
10.
A worm turns away from light is an example of a worm
a)
reproducing
b)
doing cellular respiration
c)
having cells
d)
responding to its environment
11.

Which of the following is an example of homeostasis?

a)

adapting to your environment

b)

maintaining an appropriate respiration rate

c)

the sum of all of your chemical reactions

d)

being composed of more than one cell

12.

Which of the following is a response?

a)

a flashlight shined into the eye

b)

a rubber band popping your hand

c)

your pupils constricting when exposed to bright light

d)

blood glucose levels drop significantly

13.

Over three years, Tim's height has increased from 5'4" to 5'11". Which characteristic of life does this represent?

a)

All living things contain cells

b)

All living things maintain homeostasis

c)

All living things use energy

d)

All living things grow

14.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
15.

True or False. Organ systems depend on each other and cannot work alone.

a)

True

b)

False

16.

True or False. Unicellular organisms do not have all the characteristics of life.

a)

True

b)

False

17.

What does complex mean?

a)

to be difficult

b)

to be made of only one part

c)

to be made of two or more parts

d)

to be simple

18.

What are organs?

a)

groups of different organs that work together to complete a series of tasks

b)

groups of similar types of cells that work together to carry out specific tasks

c)

groups of different tissues working together to perform a particular job

d)

groups of organ systems that work together to keep an organism alive

19.

What are tissues?

a)

groups of different organs that work together to complete a series of tasks

b)

groups of similar types of cells that work together to carry out specific tasks

c)

groups of different tissues working together to perform a particular job

d)

groups of organ systems that work together to keep an organism alive

20.

Which of the following is the LEAST complex level of organization?

a)

Tissue

b)

Organism

c)

Cell

d)

Organ

21.

Which of the following is the MOST complex level of organization?

a)

Organism

b)

Organ System

c)

Cell

d)

Tissue

22.

What is the most complex level of organization that brings all other levels together?

a)

Cell

b)

Tissue

c)

Virus

d)

Organism

23.

What is a manipulated/independent variable?

a)

A variable being tested in an experiment.

b)

A variable that changes depending on another variable.

c)

A variable that is kept the same in an experiment.

24.

How many manipulated/independent variables should be in an experiment?

a)

One

b)

Two

c)

Many

25.

What is a constant?

a)

A variable being tested in an experiment.

b)

A variable that changes depending on another variable.

c)

Variables that are kept the same in an experiment.

26.

How many constants should be in an experiment?

a)

One

b)

Two

c)

Many

27.

The higher the temperature of the air in the oven, the faster a cake will bake. What is the independent variable?

a)

Time to bake a cake

b)

Type of cake

c)

Place in the oven

d)

Temperature of the oven

28.

Lemon trees receiving the most water produced the most lemons. What is the dependent variable?

a)

Amount of lemons produced

b)

Salt or fresh water

c)

Amount of water

d)

Type of citrus

29.

One tank of gold fish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily. What should you keep the same?

a)

Amount of food

b)

Size of the tank

c)

The weight of the fish at the end

d)

Experimenter's hair color

30.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the constants?

a)

Type of plant, amount of music, and sunlight

b)

Water, apple juice, milk

c)

Plant growth

31.

A scientist is testing which flavor of ice cream melts the fastest. What would the constants be? (choose ALL that apply)

a)

The flavor of ice cream

b)

The kind of cone the ice creams are in

c)

The place in the room where the ice cream is

d)

The size of the scoop

e)

The time it takes to melt

32.

Will a pendulum's string length affect the speed of one swing? What's the controlled Variable(s)? Check all that apply

a)

Number of pendulum balls

b)

Time to make one swing

c)

String Length

d)

Material of string

33.

How will the type of fertilizer used on a field affect the soil earthworm population? What's the Independent Variable?

a)

The types of earthworms observed

b)

The number of earthworms found

c)

The type of fertilizer

d)

The amount of water in the field

34.

How does the amount of light affect the growth of a plant? What's the Controlled Variable(s)?

a)

The height of the plant

b)

The amount of light

c)

The type of light

d)

The type of plant

35.

What would the independent variable be in an experiment testing which type of paper airplane goes the furthest?

a)

the type of paper used.

b)

the distance each plane flies.

c)

how hard the plane is thrown.

d)

the type of paper airplane.

36.

The variable that is measured is known as the...

a)

Constant

b)

Control

c)

Independent Variable

d)

Dependent Variable

37.

I use rulers, scales and calculators to make these observations.

a)

Qualitative data

b)

Quantitative data

38.

What are observations made using our five senses called?

a)

Qualitative data

b)

Quantitative data

39.

The ocean water looked bluish green.

a)

Qualitative

b)

Quantitative

40.

The flower is 8 cm tall.

a)

Qualitative data

b)

Quantitative data

41.
If your teacher asked you to make qualitative observations about the class’s pet hamster, which group of words might be used?
a)
A  mass of 3 kg, 11 cm long, age of 16 months
b)
A  mass of 3 kg, 11 cm long, cute
c)
A  long hair, white and brown colored, soft
d)
A  temperature, length, weight
42.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 
a)
experimental group
b)
control group
c)
data
d)
variables
43.

How many variables do we want to test/change during a controlled experiment?

a)

1

b)

2

c)

3

d)

4

44.

Independent Variable, we say (two answer):

a)

"I change"

b)

"I Test"

c)

Compare

d)

Stays the same

45.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
46.
A broad and comprehensive statement of what is thought to be true; it is supported by much evidence.
a)
hypothesis
b)
theory
c)
guess
d)
fact
47.
Which of the following can be used to test a hypothesis?
a)
experiment
b)
theory
c)
law
d)
variable
48.

Which scientific term is used to describe a testable model that seeks to explain natural phenomena and has been tested and accepted widely among scientists?

a)

data

b)

hypothesis

c)

theory

d)

observation

49.

Scientists ___________ experiments to make sure the results are meaningful.

a)

perform

b)

repeat

c)

conclude

d)

communicate

50.

Before a scientific theory is accepted and supported, it has

a)

been tested by only one scientist.

b)

been published in scientific journals.

c)

been tested many times by different scientists.

d)

been approved by the International Committee of Scientists.

51.
Organs work together to make _________.
a)
body tissue
b)
cells
c)
other organs
d)
body systems
52.
Which organism performs all life processes in one cell?
a)
grass
b)
bacteria
c)
mushroom
d)
butterfly
53.
How are single-celled organisms and multi-celled organisms similar?
a)
Both need food for energy and growth.
b)
Both have a skeletal system for support.
c)
Both require the interaction of many cells to survive.
d)
Both are able to carry out all life functions in only one cell.
54.
Fungi and bacteria are both single-celled organisms. What do they most likely have in common?
a)
Both fungi and bacteria are large organisms.
b)
Both fungi and bacteria can carry out all life functions in their one cell.
c)
Both fungi and bacteria need sunlight and nutrients from the soil to be able to grow.
d)
Both fungi and bacteria are highly specialized to do only one job so they must work with other cells to obtain food.
55.
Which is a difference between frogs and bacteria?
a)
Frogs are able to control all life processes in one cell, while bacteria cannot.
b)
Frogs are single-celled organisms, while bacteria are multi-celled organisms.
c)
Frogs are multi-celled organisms, while bacteria are single-celled organisms.
d)
Frogs must rely on other single-celled organisms for survival, while bacteria are dependent only on themselves.

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